Passage Data · Check a report · Use it from your AI
Wood Preserving, Sheridan, Oregon. NPDES permit OR0029726 expired Nov 30, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 003 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Arsenic, total [as As] | monthly average | ≤ 48 ug/L | all year | 003 |
| Arsenic, total [as As] | daily maximum | ≤ 850 ug/L | all year | 003 |
| Copper, total [as Cu] | monthly average | ≤ 12 ug/L | all year | 003 |
| Copper, total [as Cu] | daily maximum | ≤ 18 ug/L | all year | 003 |
| Iron, total [as Fe] | monthly average | ≤ 802 ug/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 1849 ug/L | all year | 003 |
| Zinc, total [as Zn] | monthly average | ≤ 110 ug/L | all year | 003 |
| Zinc, total [as Zn] | daily maximum | ≤ 120 ug/L | all year | 003 |
| Pentachlorophenol | monthly average | ≤ 13 ug/L | all year | 003 |
| Pentachlorophenol | daily maximum | ≤ 20 ug/L | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| Debris, floating [severity] | value | ≤ 0 N=0;Y=1 | all year | 005 |
| Floating solids, waste or visible foam-visual | value | ≤ 0 N=0;Y=1 | all year | 005 |
| Oil and grease visual | value | ≤ 0 N=0;Y=1 | all year | 005 |
Cited limits by parameter: Oregon's rules and the federal ones.
Same industry: the 25 Lumber and Wood Products permits in Oregon.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OR0029726 · MCP: https://passage-data.com/mcp